SkillsLib.ai

Power System Protection Coordinator

Coordinate protective devices and generate arc flash studies for power systems

3.3(4 reviews)
10+ downloads
Updated Sep 2026

What You Can Do

Analyze your power system topology, coordinate protective devices for optimal selectivity and speed, and generate comprehensive arc flash hazard analyses compliant with IEEE 1584. You get fault current calculations, device coordination plots, and hazard risk assessments that guide equipment upgrades and safety training.

Features

Protective Device Coordination

Coordinate fuses, relays, and breakers across your power system to ensure proper selectivity and minimize outage scope. Generates coordination tables and time-current curves.

Arc Flash Hazard Analysis

Calculate incident energy and arc flash boundaries using IEEE 1584 methodologies. Produce hazard labels and PPE requirements for each equipment location.

Fault Current Calculations

Compute bolted fault currents, arcing fault currents, and protective device clearing times. Includes subtransient, transient, and steady-state contributions.

Equipment Protection Profiles

Define protection schemes for transformers, motors, feeders, and busbars. Verify coordination between upstream and downstream devices.

Single-Line Diagram Analysis

Parse and interpret single-line diagrams to build system models. Extract impedance data, transformer ratios, and equipment ratings.

Coordination Time Curve Generation

Produce time-current plots showing device clearing times, selectivity zones, and coordination margins. Identify any coordination violations.

Verification Checklists

Systematic verification against IEEE 1584, IEEE C37 standards, and NFPA 70E. Confirms all calculations and device settings are defensible.

Example Output

Arc Flash Study Summary:

  • Substation Transformer (480V): 35.4 kA bolted fault, 8.2 cal/cm² incident energy, PPE Level 1
  • Motor Control Center (MCC): 22.1 kA bolted fault, 4.6 cal/cm², arc flash boundary 42 inches
  • Main Feeder Breaker: Coordinates with downstream devices; margin 0.35 cycles (acceptable)

Protective Device Coordination Table:

LocationDeviceSettingClearing TimeUpstream DeviceSelectivity
SubstationTransformer Fuse200A0.12s @ 35kAMain Breaker✓ Selective
Feeder ABreaker400A, 2s delay2.1s @ 22kATransformer Fuse✓ Selective

Verification Results: All devices coordinated per IEEE C37.23. Arc flash assessments aligned with NFPA 70E. Equipment protection verified—no violations.

What's Included

  • Device Coordination Template: Pre-built spreadsheet for entering system impedance, equipment ratings, and device settings. Auto-calculates fault currents and generates coordination tables.
  • Arc Flash Study Workbook: Step-by-step worksheet for IEEE 1584 calculations. Includes formulas for three-phase and arc faults, incident energy, and PPE level mapping.
  • Fault Current Calculator: Script to compute bolted fault contributions from generators, motors, and utility sources. Handles subtransient and transient reactances.
  • Verification Checklist: Compliance checklist against IEEE 1584, IEEE C37 (protective device coordination), and NFPA 70E (electrical safety). Tracks all assumptions and data sources.
  • Standards Reference Guide: Quick-reference summaries of IEEE 1584, IEEE C37.23, and NFPA 70E requirements. Explains coordination principles and hazard assessment logic.

Who It's For

  • Protection Engineers
  • Power Systems Engineers
  • Electrical Safety Specialists
  • Facility Electrical Designers
  • Compliance and Risk Managers

Best For

  • Arc Flash Assessments
  • Protective Device Coordination Studies
  • Fault Current Analysis
  • Equipment Protection Verification
  • Electrical Safety Compliance Documentation

You might also like

Power Systems Fault Analysis & Protection Coordination Documentation
$30
Power Systems Fault Analysis & Protection Coordination Documentation

This skill generates comprehensive fault study reports, protection coordination analyses, and compliance documentation for electrical power systems. It systematically documents fault scenarios, relay settings, coordination curves, and technical specifications required for grid operations and regulatory compliance. You produce production-ready documentation that meets industry standards—IEEE, NERC, and regional RTO requirements.

Preclinical Toxicology Study Report & Data Integration
$30
Preclinical Toxicology Study Report & Data Integration

You consolidate parallel data streams from preclinical toxicology studies (clinical pathology, histopathology, body weight changes, organ weights, clinical observations, mortality) into coherent regulatory-compliant narratives. This skill synthesizes findings across 6–12 endpoints simultaneously, identifies NOAEL/LOAEL with biological justification, determines safety margins, interprets species-specific or sex-specific signals, and produces Results & Discussion sections that satisfy FDA/EMA reviewers while supporting appropriate dosing decisions for IND-enabling studies.

PLC Logic Validator & Control System Diagnostician
$35
PLC Logic Validator & Control System Diagnostician

Analyze your PLC code and ladder logic to identify logic errors, safety violations, and inefficiencies before they reach production. You'll get detailed diagnostics of control system failures, safety compliance verification against IEC 61131 standards, and optimization recommendations for automation sequences. This skill helps you prevent costly downtime, ensure worker safety, and improve system performance across manufacturing operations.

Genomic Variant Interpretation for Drug Target Discovery
$35
Genomics4.8(5)
Genomic Variant Interpretation for Drug Target Discovery

You can translate raw variant catalogs and NGS data into actionable target hypotheses by synthesizing variant effect predictions, population frequency metrics, disease association evidence, and protein interaction networks. This skill automates the connection between molecular findings and clinical relevance, producing comprehensive variant assessments that justify target selection across pharmaceutical development stages and support regulatory submissions.

Tooling Specification & Performance Optimizer
$35
Tooling3.7(6)
Tooling Specification & Performance Optimizer

Create comprehensive tool specifications tailored to your manufacturing process, material combinations, and performance requirements. Analyze cutting speeds, feeds, tool life, and thermal behavior to predict tool performance and identify optimization opportunities. You can compare design alternatives, predict failure modes, and generate compliance documentation for production tooling decisions.

Clinical Site Monitoring Visit Coordinator
$35
Clinical Site Monitoring Visit Coordinator

You can prepare complete site monitoring visit documentation, including source document verification (SDV) checklists tailored to specific case report forms, comprehensive findings reports from visit notes, and structured data query forms for identified discrepancies. This skill standardizes compliance documentation, identifies protocol deviations systematically, and creates actionable remediation plans to maintain data integrity and GCP compliance across investigator sites.

Design for Manufacturability (DFM) Analysis
$35
Design for Manufacturability (DFM) Analysis

This skill systematically analyzes your product designs to identify manufacturability issues early, saving costly revisions and manufacturing delays. It evaluates geometry, material selection, tolerances, assembly feasibility, and production process constraints. You get actionable feedback on cost drivers, process risks, and design optimizations before committing to production.

Tooling Design Analyzer
$40
Tooling3.6(5)
Tooling Design Analyzer

You can submit tool designs—drawings, specifications, or descriptions—and Claude will evaluate manufacturability constraints, identify potential failure modes using structured frameworks, and recommend cost-reduction opportunities. You'll receive a prioritized report covering structural analysis, production feasibility, material efficiency, and design trade-offs.

$30.00